Your Kindle may not charge due to a faulty cable or the adapter or the port in the gadget may not be well functioning. Clean the port where the charging cable connects the device, replace or use a different cable or power source, and it is also possible that the device is overheated. Rest
Your Kindle may not charge due to a faulty cable, dirty charging port, drained battery, or software glitch. Try using a different cable/adapter, clean the port, or hold the power button for 40 seconds to reset.